Home / 87,505.32-131,134.92-50,009.22

Finding the Fourth Proportional to 87,505.32, 131,134.92 and 50,009.22

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Solution

The fourth proportional to 87,505.32, 131,134.92 and 50,009.22 is: 74,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505.32 : 131,134.92 = 50,009.22 : x
  2. Step 2: Convert to fraction form
    87,505.32/131,134.92 = 50,009.22/x
  3. Step 3: Cross multiply
    87,505.32x = 131,134.92 × 50,009.22
  4. Step 4: Simplify right side
    87,505.32x = 6,557,955,063.96
  5. Step 5: Solve for x
    x = 6,557,955,063.96/87,505.32
  6. Step 6: Final answer
    x = 74,943.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.